L2 Linux & Database Support Engineer

Job Opening: L2 Linux & Database Support Engineer
Job Title: L2 Linux & Database Support Engineer
Location: Airoli, Navi Mumbai (On-site)
Experience Required: 5–8 Years
Employment Type: Full-time
Work Schedule: 09:00 AM – 06:00 PM | Monday to Saturday (6 days/week)
Positions Available: 1 Resource
Job Summary
We are seeking an experienced and dependable L2 Linux & Database Support Engineer to manage, maintain, and optimize our enterprise Linux operating systems and database environments. The ideal candidate will possess deep expertise in Linux administration, hands-on database operations (Oracle, PostgreSQL, MySQL, or MS SQL), patching, backup management, and preventive maintenance. You will serve as an escalation point for infrastructure and application incidents, ensuring maximum uptime, security compliance, and strict SLA adherence.
Key Responsibilities1. Linux OS Administration & Troubleshooting
Provide L2-level administration, configuration, and troubleshooting for enterprise Linux operating systems (RHEL, CentOS, Ubuntu, SuSE).
Perform continuous system monitoring, performance tuning, kernel parameter updates, disk management (LVM), and log analysis.
Implement server hardening, user management, SSH security, and security best practices across Linux servers.
Database Operational Administration & Maintenance
Execute day-to-day database administration, monitoring, maintenance, and health checks (Oracle / PostgreSQL / MySQL / MS SQL).
Conduct regular database health reporting, index maintenance, tablespace management, and query performance checks.
Oversee database patching, version updates, and vulnerability remediation in coordination with application teams.
Backup, Storage & Infrastructure Support
Coordinate, execute, and troubleshoot database backups (RMAN, pg_dump, mysqldump, or enterprise backup tools) and perform periodic restoration test runs.
Provide cross-functional support across server hardware, NAS/SAN storage, basic network configurations, and security devices.
Conduct preventive maintenance, proactive health checks, and capacity planning for Linux and database platforms.
Incident Management & OEM / Vendor Escalation
Resolve complex L2 incidents, service requests, and problem tickets within defined SLA targets.
Lead end-to-end technical escalations and vendor coordination with OEMs (e.g., Red Hat, Oracle, hardware vendors) and application developers to resolve critical technical issues or software bugs.
Perform Root Cause Analysis (RCA) for major system or database outages and document permanent fixes.
Application Support & Compliance
Assist application support teams with database connectivity, environment readiness, deployment support, and troubleshooting.
Implement OS patching, security updates, and vulnerability remediation to maintain security compliance.
Maintain comprehensive technical documentation, standard operating procedures (SOPs), and operational logs.
Required Skills & Qualifications
Experience: 5 to 8 years of hands-on experience in Linux administration and database support in enterprise environments.
Linux Expertise: Advanced knowledge of RHEL/CentOS/Ubuntu, shell scripting (Bash/Python), systemd, LVM, user/permission management, and networking configurations.
Database Management: Working knowledge of database administration (Oracle, PostgreSQL, MySQL, or SQL Server) including backup/restore, user management, and performance monitoring.
Security & Patching: Demonstrated experience in automated/manual OS & database patching, vulnerability scanning tool remediation, and system hardening.
Backup & Recovery: Practical knowledge of enterprise backup tools (e.g., Veeam, Commvault, RMAN) and DR procedures.
Vendor & SLA Management: Experience coordinating with hardware/software vendors, managing high-severity escalations, and operating within an ITIL incident management framework.
Preferred Certifications (Plus)
Red Hat Certified System Administrator (RHCSA) / Red Hat Certified Engineer (RHCE).
Database Certifications (e.g., Oracle Certified Associate/Professional, PostgreSQL Certified Engineer).
ITIL Foundation certification.
Skills: database,management,oracle,security,enterprise,linux,postgresql

Work arrangement
No